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Effect of application of abamectine on the abudance of leafminer flies and its parasitoids on potato fields. The objective of research was to investigate the effect of the application of abamectine insecticide on the infestation of potato leafminer and its parasitoid. The fields experiment was conducted on potato fields in Pangalengan â€“ Bandung, West Java in 2000. The result showed that the abamectine-insecticide significantly reduce the plant damage intensities, the number of mining per plants, and the percentage of leaf damage. In addition, the application of abamectine insecticide was not significantly affected the level of parasitism and the number of parasitoid Hemiptarsenus varicornis (Girault) (Hymenoptera:Eulophidae) and Opius sp. (Hymenoptera: Braconidae) that were emerged from leaf sample. The abamectine insecticide has a good possibilities to be used as an alternative for controlling of the leafminers before another technology was found.
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